Gut microbes may put barrier between species

Removing bacteria in wasps saves crossbred offspring from death

Nasonia  vitripennis (shown) and N. giraulti wasps may remain distinct  species because of their gut microbes, not just genetics, a new study suggests. 

M.E.Clark/Wikimedia Commons

This article is only available to Science News subscribers.

Subscribers, enter your e-mail address to access our archives.

Not a subscriber?

Science News is a nonprofit.

Support us by subscribing now.

More Stories from Science News on Animals

From the Nature Index

Paid Content